Balenciaga BB0321S Sunglasses combine a bold square frame with dark polyamide lenses for a polished, everyday sun-wear option that stands out with signature logo detailing. Key attributes: Black | Acetate | Full-rim frame | Logo-accented hinges | Square frame | Bold temples | BB logo hinges | Dimensions & fit: Lens width 57 mm | Bridge 17 mm | Temple 125 mm | Large fit | Composition & care: Acetate | Polyamide | Wipe lenses with a soft, non-abrasive cloth. Store in protective case when not in use. Avoid contact with solvents and extreme heat.